Real-time target detection technology of large view-field infrared image based on multicore DSP parallel processing

Gang Sun; Songlin Liu; Weihua Wang; Zengping Chen

doi:10.1117/12.2031006

27 October 2013 Real-time target detection technology of large view-field infrared image based on multicore DSP parallel processing

Gang Sun, Songlin Liu, Weihua Wang, Zengping Chen

Author Affiliations +

Proceedings Volume 8920, MIPPR 2013: Parallel Processing of Images and Optimization and Medical Imaging Processing; 892004 (2013) https://doi.org/10.1117/12.2031006
Event: Eighth International Symposium on Multispectral Image Processing and Pattern Recognition, 2013, Wuhan, China

Abstract

In order to implement real-time detection of hedgehopping target in large view-field infrared (LVIR) image, the paper proposes a fast algorithm flow to extract the target region of interest (ROI). The ground building region was rejected quickly and target ROI was segmented roughly through the background classification. Then the background image containing target ROI was matched with previous frame based on a mean removal normalized product correlation (MRNPC) similarity measure function. Finally, the target motion area was extracted by inter-frame difference in time domain. According to the proposed algorithm flow, this paper designs the high-speed real-time signal processing hardware platform based on FPGA + DSP, and also presents a new parallel processing strategy that called function-level and task-level, which could parallel process LVIR image by multi-core and multi-task. Experimental results show that the algorithm can extract low altitude aero target with complex background in large view effectively, and the new design hardware platform could implement real time processing of the IR image with 50000x288 pixels per second in large view-field infrared search system (LVIRSS).

Citation Download Citation

Gang Sun, Songlin Liu, Weihua Wang, and Zengping Chen "Real-time target detection technology of large view-field infrared image based on multicore DSP parallel processing", Proc. SPIE 8920, MIPPR 2013: Parallel Processing of Images and Optimization and Medical Imaging Processing, 892004 (27 October 2013); https://doi.org/10.1117/12.2031006

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